Omega Seamaster Diver 300m Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces

Reference 210.30.42.20.01.003

About this watch

The Omega Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces is a luxury watch that embodies the essence of precision, style, and adventure. Its sleek black ceramic bezel rotates for precise timing, while its round shape gives it a classic vibe. The black dial features stick and dot indexes for optimal readability, protected by a sapphire crystal. At its heart lies the Omega caliber 8806 movement, certified as a Master Chronometer with resistance to magnetic fields up to 15,000 gauss. With a water resistance rating of 300 meters and a limited edition of only 50 units produced, this watch is not just a timekeeper but also a collector's item. Its stainless steel bracelet is both sturdy and comfortable, making it perfect for all-day wear. Whether you're exploring the ocean or enjoying a night out, this watch ticks all the right boxes.

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Key Features

Omega caliber 8806 movement
300m water resistance
Limited edition of only 50 units produced
Sapphire crystal protection
Stainless steel bracelet
Master Chronometer certification
Resistance to magnetic fields up to 15,000 gauss

Specifications

Brand

Omega

Family

Seamaster Diver 300m

Model

Seamaster Diver 300M Master Co-Axial 42 Swiss Armed Forces

Reference

210.30.42.20.01.003

Movement

8806

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

300

Current Listings

OMEGA Seamaster Diver 300M 212.30.41.20.03.001

OMEGA - 212.30.41.20.03.001 · $2,800

The watch being sold is an OMEGA Seamaster Diver 300M, a popular and reliable diver's watch.

Case Diameter: 41mm
Shipping Info: Fedex with insurance

Posted at

Mar 14, 2026, 12:12 PM

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OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900

The OMEGA Seamaster Diver 300M 'Paris 2024' is a luxurious tribute to sporting excellence, featuring a 42mm case combining stainless steel with 18K Moonshine Gold and a white ceramic dial.

Condition: UNWORN
Case size: 42mm
Material: stainless steel and 18K Moonshine Gold
Water resistance: 300m depth rating

Posted at

Mar 13, 2026, 8:16 PM

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Omega Seamaster Diver 300M Chronograph Black Dial 44mm Watch 212.30.44.50.01.001

Omega - 212.30.44.50.01.001 · $4,480

This Omega Seamaster Diver 300M Chronograph features a rugged, all-stainless steel case with a black dial and ceramic bezel. It houses the automatic Co-Axial caliber 3330, offering chronograph functionality and date, along with 300m of water resistance.

Condition: Excellent pre-owned condition
Case size: 44mm
Bracelet size: 7 1/2 inches
Depth rating: 300m

Posted at

Mar 13, 2026, 9:55 AM

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Omega Seamaster Diver 300M (Black, 2023)

Omega - 210.30.42.20.01.001 · $4,250

This Omega Seamaster Diver 300M is a black, 42mm watch featuring steel on steel construction. It comes in its full set, including the inner/outer box, cards, and booklet.

Condition: Excellent condition
Case Size: 42mm diameter
Material: steel

Posted at

Mar 12, 2026, 2:15 PM

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Omega Seamaster Diver 300M Black Dial 41mm 2016 Box & Papers - $3,250

Omega - Seamaster Diver 300M · $3,250

The Omega Seamaster Diver 300M is a modern dive watch that combines professional-grade capability with everyday wearability. The 41mm stainless steel case offers balanced proportions and robust construction, while the black dial delivers excellent legibility.

Condition: Excellent
Case size: 41mm
Water resistance: 300m depth rating
Movement power reserve: ~48 hours

Posted at

Mar 12, 2026, 10:13 AM

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Omega Seamaster Diver 300M Pro – Black – OEM Mesh Strap – Full Set with Original Receipt – $3200 – Shipped

Omega - Seamaster Diver 300M Pro · $3,200

Omega Seamaster 300m professional in black, stainless steel mesh bracelet, purchased brand new from the boutique, comes as a full set.

Condition: great condition with minor wear
Bracelet material: stainless steel
Bracelet type: mesh

Posted at

Mar 10, 2026, 9:37 PM

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2024 Omega Seamaster Diver 300M Green “Seaweed” • Ref: 210.30.42.20.10.001 • $5000 + L

Omega - 210.30.42.20.10.001 · $5,000

This Omega Seamaster Diver 300M Green 'Seaweed' is a pre-owned watch with clean crystal and dial but some wear on the case sides and bracelet. It comes with a double box, hang tag, all three cards, and warranty card dated 2024.

Condition: Pre-owned with wear to the case sides, crystal and dial are clean, wear to bracelet
Depth rating: 300m
Water resistance: Water resistant up to 300m

Posted at

Mar 9, 2026, 9:09 PM

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Omega Seamaster Diver 300M 210.32.42.20.04.001 — White Dial — Box & Papers, Open Card

Omega - 210.32.42.20.04.001 · $4,650

The Omega Seamaster Diver 300M in white features a wave-textured dial paired with a black ceramic bezel, creating a clean and striking combination that can be dressed up or down.

Condition: Very good condition
Case material: not specified
Dial color: white
Bezel type: black ceramic

Posted at

Mar 7, 2026, 6:39 PM

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OMEGA Seamaster Diver 300M "Paris 2024" Ref. 522.21.42.20.04.001 + Five Stripes "Paris 2024" NATO Strap - ULTIMATE SET! 🔥$7,900🔥

OMEGA - 522.21.42.20.04.001 · $7,900

This OMEGA Seamaster Diver 300M is a luxurious tribute to sporting excellence, celebrating its role as the Official Timekeeper of the Olympic Games. The watch features a 42mm stainless steel case with 18K Moonshine Gold accents and a laser-structured diving scale on the bezel.

Condition: [UNWORN]
Case size: 42mm
Movement: Calibre 8800 Master Chronometer

Posted at

Mar 6, 2026, 8:14 PM

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